conflit readme

Author: ievred

README.md

@@ -261,3 +261,7 @@ A. Rakotomamonjy, [Optimal Transport for Domain Adaptation](https: // arxiv.org
 [26] Alaya M. Z., Bérar M., Gasso G., Rakotomamonjy A. (2019). [Screening Sinkhorn Algorithm for Regularized Optimal Transport](https: // papers.nips.cc / paper / 9386 - screening - sinkhorn - algorithm - for-regularized - optimal - transport), Advances in Neural Information Processing Systems 33 (NeurIPS).
 
 [27] Redko I., Courty N., Flamary R., Tuia D. (2019). [Optimal Transport for Multi - source Domain Adaptation under Target Shift](http: // proceedings.mlr.press / v89 / redko19a.html), Proceedings of the Twenty - Second International Conference on Artificial Intelligence and Statistics(AISTATS) 22, 2019.
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+[28] Caffarelli, L. A., McCann, R. J. (2020). [Free boundaries in optimal transport and Monge - Ampere obstacle problems](http: // www.math.toronto.edu / ~mccann / papers / annals2010.pdf), Annals of mathematics, 673 - 730.
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+[29] Chapel, L., Alaya, M., Gasso, G. (2019). [Partial Gromov - Wasserstein with Applications on Positive - Unlabeled Learning](https: // arxiv.org / abs / 2002.08276), arXiv preprint arXiv: 2002.08276.